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Hacktoberfest 2026 Challenge

This is the official tag for submissions and announcements related to Hacktoberfest Challenges.

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Spook: a ghost that watches what your AI coding agent runs

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

Spook: a ghost that watches what your AI coding agent runs

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Comments 1
10 min read
Last Commit: Uncovering the Ghost in the Machine with Gemma

Last Commit: Uncovering the Ghost in the Machine with Gemma

Comments
3 min read
PhantomShield AI

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

PhantomShield AI

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2 min read
PHANTOM: An AI Ghost That Lives in Your Terminal, Remembers You, and Never Calls the Cloud (Qwen3 + Ollama + SQLite)

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

PHANTOM: An AI Ghost That Lives in Your Terminal, Remembers You, and Never Calls the Cloud (Qwen3 + Ollama + SQLite)

Comments
7 min read
I let httpx's departed reviewers come back for a day. They had notes.

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

I let httpx's departed reviewers come back for a day. They had notes.

Comments
8 min read
Week 4 Dev Challenge`

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

Week 4 Dev Challenge`

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4 min read
Tu Calaverita: an open-weight Catrina that writes Día de Muertos poems for the people you love!

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

Tu Calaverita: an open-weight Catrina that writes Día de Muertos poems for the people you love!

Comments
4 min read
TrailEcho Studio: Turn Nature Hikes into Monetizable AI Audio Guides

TrailEcho Studio: Turn Nature Hikes into Monetizable AI Audio Guides

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2 min read
👻 HauntShell — When Your Terminal Wakes Up and Whispers Back

👻 HauntShell — When Your Terminal Wakes Up and Whispers Back

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5 min read
Ofrenda: A Private, Offline Home for Family Stories

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

Ofrenda: A Private, Offline Home for Family Stories

Comments
2 min read
Revenant: I Built an Open-Source AI Tool to Bring Dead Code Back to Life 👻

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

Revenant: I Built an Open-Source AI Tool to Bring Dead Code Back to Life 👻

Comments
7 min read
Lupita says 1959. Tío Chucho says 1961. The ofrenda keeps both.

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

Lupita says 1959. Tío Chucho says 1961. The ofrenda keeps both.

Comments
9 min read
Stackroots refuses the install that legacy-peer-deps would hide

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

Stackroots refuses the install that legacy-peer-deps would hide

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Comments
4 min read
Memory Lantern: A Private AI Remembrance Garden 🕯️

Memory Lantern: A Private AI Remembrance Garden 🕯️

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Comments
2 min read
Hallow Mud: a Halloween MUD where Gemma invents the one ghost we didn't write

Gemma 4 Challenge: Build With Gemma 4 Submission

Hallow Mud: a Halloween MUD where Gemma invents the one ghost we didn't write

Comments
8 min read
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